Since 2023: Project Coordinator at the Thünen-Institute for Sea Fisheries, Bremerhaven

2022-2023: International Product and Project Manager at ChiPro GmbH for crab chitosan research, Bremen

2021-2022: Agricultural Biologist at Farmcycle GmbH, Bremen

2018-2019: Scientific Assistant at the Alfred-Wegener-Institute for Polar - and Marine Research (AWI), Functional Ecology

2017: Field Research and Report: African Elephant (Loxodonta africana) effects on vegetation structure along a gradient of use in Arabuko Sokoke Forest, Kenya.

2016-2019: M.Sc. Ecology at the University of Bremen, Bremen, Germany. Thesis title: "Connectivity and putative native ranges of the two "cosmopolitan " biofouling amphipod species, Jassa marmorata and Jassa slatteryi".

2014-2016: Biological Technician at McNary National Wildlife Refuge, US Fish and Wildlife Service, Burbank, Washington, USA

2006-2010: B.Sc. Natural Resource Sciences- Wildlife Ecology at Washington State University, Pullman, Washington, USA

Beermann J, Hall-Mullen AK, Havermans C, Coolen JW, Crooijmans RP, Dibbits B, Held C, Desiderato A. 2020. Ancient globetrotters—connectivity and putative native ranges of two cosmopolitan biofouling amphipods. PeerJ 8:e9613 doi.org/10.7717/peerj.9613